Monthly Archives: September 2020

Management of Soybean Cyst Nematode Starts with Soil Sampling this Fall or Spring

Soybean cyst nematode (SCN) (Figure 1) causes greater annual yield losses in Kentucky than any other pathogen of soybean.  The last time a formal survey was conducted by the University of Kentucky in 2006 and 2007, approximately 76% of soybean

Posted in Grains

Transplant Shock: Disease or Cultural Problem?

Autumn has arrived in Kentucky, and now is one of the best times to plant new trees. Cool-season planting allows trees to “focus” on root system development. Woody plants may take as long as 3 to 5 years to establish

Posted in Landscape Trees & Shrubs

Bacterial Wilt of Cucurbits – Quick Facts (PPFS-VG-11 QF)

Bacterial wilt is a common, often destructive, disease of cucurbits. This disease can cause nearly complete losses of a planting before the first harvest. Bacterial wilt primarily affects cucumber and muskmelon (cantaloupe). While squash and pumpkin are also susceptible, the

Posted in Featured Pubs & Videos

The Crop Protection Network Needs Your Input!

The University of Kentucky is a partner in the Crop Protection Network (CPN), which develops tools to help farmers, ag industry, and researchers with crop protection decisions. The CPN is a partnership of university Extension specialists across the United States

Posted in Grains

Colonization of Western Kentucky by Brown Marmorated Stink Bug

Status of the Brown Marmorated Stink Bug in Kentucky Halymorpha halys (Hemiptera: Pentatomidae) known as brown marmorated stink bug (BMSB), is a polyphagous invasive species of Asian origin that feeds on more than 100 plant species in the U.S. Initially,

Posted in Grains

Predatory Stink Bug Detected in Western Kentucky

A nice good-looking stink bug was observed in western Kentucky on several occasions during mid-July and mid-August this year. Euthyrhynchus floridanus (Pentatomidae) (Figure 1), known as the Florida predatory stink bug, has been previously detected in Kentucky and several northern

Posted in General Pests

Armillaria Root Rot – A Threat to Stressed Landscape Trees

Tree stress can come from numerous factors, including weather, mechanical damage, insects, or poor growing conditions. These stresses make plants more susceptible to the plant disease Armillaria root rot. This fungal disease is also known as shoestring root rot, mushroom

Posted in Landscape Trees & Shrubs

A Profile of Commercial Apple Production in Kentucky

Apple production in Kentucky is small, from less than 1 acre to just over 40 acres, yet profitable. Cash value of Kentucky apple production is valued at $24.4 million to $40.6 million per year. Apple orchards are distributed throughout Kentucky,

Posted in Featured Pubs & Videos

2020 Insect Trap Counts

Trap counts for major insect pests are provided by the Kentucky IPM Program. Traps are located at the UK Research and Education Center in western Kentucky and the UK Spindletop Farm in Lexington.  Below are trap counts for the current

Posted in Insect Trap Counts

Update on Soybean Rust

Although soybean rust has not yet been observed in Kentucky this year, it is likely present in the state. Soybean rust was recently reported in southern Illinois (Union County, IL).  From all observations, the Kentucky soybean crop should be at

Posted in Uncategorized

Stink Bug Populations Surpassing Economic Thresholds in Soybeans in 2020

Several stink bug (Hemiptera: Pentatomidae) species (Figure 1) are key pests of soybeans in Kentucky. They include the green stink bug (Chinavia hilaris), brown stink bug (Euschistus spp.), southern green stink bug (Nezara viridula), brown marmorated stink bug (Halymorpha halys)

Posted in Grains

Necrotic Ring Spot and Summer Patch in Kentucky Bluegrass Lawns (PPFS-0R-T-06)

Necrotic ring spot and summer patch are two patch diseases that can be very destructive when Kentucky bluegrass is grown under intensive management. These diseases become a concern in lawns when improper management practices, such as close mowing, promote disease

Posted in Featured Pubs & Videos

Diagnosis of “No Disease”

Extension agents and growers may occasionally receive diagnostic reports from the University of Kentucky Plant Disease Diagnostic Laboratory that indicate, “no disease was found.”  This may result from an insufficient sample and/or that the plant problem does not result from

Posted in Plant Disease Diagnostic Lab

2020 Insect Trap Counts

Trap counts for major insect pests are provided by the Kentucky IPM Program. Traps are located at the UK Research and Education Center in western Kentucky and the UK Spindletop Farm in Lexington.  Below are trap counts for the current

Posted in Insect Trap Counts

Pre-harvest Corn Disease Scouting Observations

Scouting reports across Kentucky this week have indicated that farmers need to be aware of stalk rots and ear rots as they prepare for and begin corn harvest. Pockets of fields scouted across the state have stalk rot issues that

Posted in Grains